MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2021c1d6e9983c17fea9c773618a95407628b9c7b58071edea71c8525cd17d7e. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments 1
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SHA256 hash: 2021c1d6e9983c17fea9c773618a95407628b9c7b58071edea71c8525cd17d7e
SHA3-384 hash: 1eb1e0d7c18668818c349e5e9ff3580f0f898bcbbfcd8b254084088041e3ee9390292f65193a537562e0784d8538d04c
SHA1 hash: c78f0198e3c2f4dfb8d8094354f34624345d6d46
MD5 hash: 76155ad95f94ea29559fe97bc4c81e95
humanhash: four-texas-michigan-mobile
File name:76155ad95f94ea29559fe97bc4c81e95
Download: download sample
Signature Formbook
Create hunting rule
File size:740'352 bytes
First seen:2021-11-15 09:02:42 UTC
Last seen:2021-11-15 11:14:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:bRWzQhIS3jtzv28fmLjSgzTKnTFH4ejqvCaviYe0cNGRbwgY7XpW9CCqYQHGD2J:kszdeLjSgzWTFH4eOvCavc0mGR1Y7XpZ
Threatray 11'213 similar samples on MalwareBazaar
TLSH T157F4AE5826E49E2BD0AE037CE0A94518D3F4B1116647E76F1FE0A1B82CB73E2CD456A7
Reporter zbetcheckin
Tags:32 exe FormBook

Intelligence

File Origin
# of uploads :
2
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
Create hunting rule
Link:
https://www.capesandbox.com/analysis/205831/
Detection(s):
SecuriteInfo.com.Trojan.Siggen15.42063.2318.4578.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6192224b3edf00a722d50ebf/reports/fd468dbc-2219-46aa-83c0-c6628d252ca5/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4e1f5f7c-5e35-4df2-9e30-88017dc71880
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/889239
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Self deletion via cmd delete
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Rundll32 Without Any CommandLine Params
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect virtualization through RDTSC time measurements
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 521709 Sample: DuxgwH47QB Startdate: 15/11/2021 Architecture: WINDOWS Score: 100 36 www.nuricemerlang.com 2->36 38 www.henco-group.com 2->38 40 2 other IPs or domains 2->40 48 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 8 other signatures 2->54 10 DuxgwH47QB.exe 3 2->10         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\DuxgwH47QB.exe.log, ASCII 10->34 dropped 70 Tries to detect virtualization through RDTSC time measurements 10->70 72 Injects a PE file into a foreign processes 10->72 14 DuxgwH47QB.exe 10->14         started        17 DuxgwH47QB.exe 10->17         started        signatures6 process7 signatures8 74 Modifies the context of a thread in another process (thread injection) 14->74 76 Maps a DLL or memory area into another process 14->76 78 Sample uses process hollowing technique 14->78 80 Queues an APC in another process (thread injection) 14->80 19 rundll32.exe 14->19         started        22 explorer.exe 14->22 injected process9 signatures10 56 Self deletion via cmd delete 19->56 58 Modifies the context of a thread in another process (thread injection) 19->58 60 Maps a DLL or memory area into another process 19->60 62 Tries to detect virtualization through RDTSC time measurements 19->62 24 explorer.exe 6 161 19->24         started        28 cmd.exe 1 19->28         started        64 System process connects to network (likely due to code injection or exploit) 22->64 66 Performs DNS queries to domains with low reputation 22->66 30 autofmt.exe 22->30         started        process11 dnsIp12 42 www.tuuttidisney.quest 37.123.118.150, 49852, 80 UK2NET-ASGB United Kingdom 24->42 44 www.riversidefinishing.com 64.98.145.30, 49851, 80 TUCOWS-3CA Canada 24->44 46 20 other IPs or domains 24->46 68 System process connects to network (likely due to code injection or exploit) 24->68 32 conhost.exe 28->32         started        signatures13 process14
Detection:
xloader
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Link:
https://mwdb.cert.pl/sample/2021c1d6e9983c17fea9c773618a95407628b9c7b58071edea71c8525cd17d7e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-11-15 09:03:09 UTC
AV detection:
21 of 27 (77.78%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
formbook
Create hunting rule
Similar samples:
0fdf7d71205b22f118f035eadd183c769c80cd916e41228252494ce59658aad6
Formbook
2cf9a6fd4361184dbe79b2067472bdb6ac2907b89e78e213cf0eadd69ed10cd1
Formbook
46fa7e230e5d8398c15c24dd78906dcf50da9bb1d2cfd8682ad7f2f80819a3a8
Formbook
4c20199af53476746b9169321c057437c7341c334d61f496820876d9feb63251
Formbook
77a46930ca579ee197db74bbbb30bd77c0ad71323836b5790c09f491d9147d23
Formbook
86df15ac78abc1d224a4249db72d29dcb2979fd0669a15c0d291e47648dc0c1c
Formbook
bec65782844355875f88723419b44dc543ba07b83c8a339036f79e39364493c6
Formbook
e4a4e1f73cbbd5667b5264b48bc7429ea638532d08e78d53b86b86c0fa5b291b
Formbook
ebc008a7b326afef547049414a909b2120e6e09b560c67e4b79d173195180691
Formbook
ec967cb2eeeb76c7acaba88e1c3eb6f5fa39cedb54b4edbb17eb0087977d21ee
Formbook
+ 11'203 additional samples on MalwareBazaar
Result
Malware family:
xloader
Create hunting rule
Score:
  10/10
Tags:
family:xloader campaign:cfn8 loader rat
Link:
https://tria.ge/reports/211115-kz15eaefek/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Xloader Payload
Xloader
Malware Config
C2 Extraction:
http://www.qqsmt02.com/cfn8/
Unpacked files
SH256 hash:
b5fd6b81a170bd1d090d7354b3ce54f482a00a387bc0fbc6a9b79959e7a7f0d7
MD5 hash:
5bd33d09f71ef7a844c3a2a9abb397a0
SHA1 hash:
9fa599cab0bc5d2796867f400cf0ef0609111ab2
Link:
https://www.unpac.me/results/563b19af-ca19-41f3-93d0-7b69b07622ca/
SH256 hash:
86fe170cc6dd3a576807c1192a06ead68bf210f9ccd14f1a81d4f44c2dbcc25f
MD5 hash:
bf5c170790a9378101dbc312303925e3
SHA1 hash:
bddaf21c02ba5cec7c4dfd1b1f289e23714a8ba8
Link:
https://www.unpac.me/results/563b19af-ca19-41f3-93d0-7b69b07622ca/
SH256 hash:
66fc1d5f75c7bdb200d16be5c245a78ae0ba14ef8e3638ba824bc43836769396
MD5 hash:
0cacc48a16d5764766dbbaa80985e357
SHA1 hash:
f557ca8e58e95a1012d3736a31f0b0378e1424b7
Detections:
win_formbook_g0
Create hunting rule
win_formbook_auto
Create hunting rule
Link:
https://www.unpac.me/results/563b19af-ca19-41f3-93d0-7b69b07622ca/
Parent samples :
2021c1d6e9983c17fea9c773618a95407628b9c7b58071edea71c8525cd17d7e
00f38651e028591175cc482289f6ceabfed9592b7176a24d8f00999ebb0bf996
fa6e94c900dc4d280b9748242d5f06a5030bb15c5e2ea7a4527e6987ab14d67c
74a85ed80a3222cb8b97be0909787ba21cb93676db84c2fd33c2a612bd427874
4b0aaf5604a6ce5862163169095dfd26f4301e47e14c9e133415a924c601e5ce
8e1582ef41bfd2b7b11f0300618807eb95cd40bb63927fc4d178e460d6e244ff
SH256 hash:
2021c1d6e9983c17fea9c773618a95407628b9c7b58071edea71c8525cd17d7e
MD5 hash:
76155ad95f94ea29559fe97bc4c81e95
SHA1 hash:
c78f0198e3c2f4dfb8d8094354f34624345d6d46
Link:
https://www.unpac.me/results/563b19af-ca19-41f3-93d0-7b69b07622ca/
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:pe_imphash
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Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Formbook

Executable exe 2021c1d6e9983c17fea9c773618a95407628b9c7b58071edea71c8525cd17d7e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1787961/
Cape
Cape
https://www.capesandbox.com/analysis/205831/

Comments


Avatar
zbet commented on 2021-11-15 09:02:43 UTC

url : hxxp://kizitox.ga/doziezx.exe